APA (7th ed.) Zitazioa
(2016). Tourism for all: Promoting universal accessibility. Good practices in the accessible tourism supply chain. Organización Mundial del Turismo.
Chicago Style (17th ed.) Zitazioa
Tourism for All: Promoting Universal Accessibility. Good Practices in the Accessible Tourism Supply Chain. Madrid: Organización Mundial del Turismo, 2016.
MLA (9th ed.) Zitazioa
Tourism for All: Promoting Universal Accessibility. Good Practices in the Accessible Tourism Supply Chain. Organización Mundial del Turismo, 2016.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.